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<title>HSF Opcode Definition</title>
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      <H2><FONT color=#0000a0 face="arial,helvetica,sans-serif">TKE_External_Reference</FONT></H2>
      <H3><FONT color=#0000a0 face="arial,helvetica,sans-serif">Opcode</FONT><STRONG><FONT face="arial,helvetica,sans-serif">
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          <TD height=12 width=131>ASCII</TD>
          <TD height=12 width=390>^R</TD></TR>
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          <TD height=12 width=131>Hexadecimal</TD>
          <TD height=12 width=390>12</TD></TR>
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          <TD height=12 width=131>Decimal</TD>
          <TD height=12 width=390>18</TD></TR></TABLE></H3>
      <P>&nbsp;</P></FONT></STRONG>
      <H3><FONT color=#0000a0 face="arial,helvetica,sans-serif">Operands </FONT></H3>
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	  <STRONG>Variable</STRONG>&nbsp;length,
      <STRONG>(</STRONG><EM>length</EM><STRONG>)xByte</STRONG>&nbsp;reference
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    <TD height=21 width=131>length</TD>
    <TD height=21 width=390>length of the reference string. Value is a <strong>Byte</strong>, but if the value is 254,
	the real length follows as an additional <strong>Short</strong>, or if 255 as an additional <strong>Long</strong>.</TD>
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	<td WIDTH="131" HEIGHT="21">reference</td>
	<td WIDTH="390" HEIGHT="21">reference (full or relative) to another HSF data file or stream</td>
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<H3><FONT color=#0000a0 face="arial,helvetica,sans-serif">Notes</FONT></H3>
<font face="arial,helvetica,sans-serif">External Reference allows for the inclusion of another HSF file/stream
in the current context (similar to the C/C++ #include preprocessor directive).<p>

This opcode was added in HSF format 8.05.
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